.custom-node {
    -fx-background-color: skyblue, derive(skyblue, 25%), derive(skyblue, 50%), derive(skyblue, 75%); /* set background to skyblue */
    -fx-background-insets: 0, 60, 80, 100;
    -fx-background-radius: 20.0em, 0, 0, 0; /* 1.0em == 12 px*/ /* 20.0em == 240px*/
    -fx-border-color: red, yellow, green, blue;
    -fx-border-insets: 0, 60, 80, 100;
    -fx-border-radius: 20.0em, 0, 0, 0;
    -fx-border-width: 3; /* border width 3px */
}